How many patents does Hebei Qinhuai Data Co Ltd have in patentsdb?

Hebei Qinhuai Data Co Ltd is linked to 77 publications as assignee in our database.

What technology areas does Hebei Qinhuai Data Co Ltd patent most?

Top mapped technology areas by patent count: Electricity (64); Mechanical Engineering (17); Operations & Transport (11).

In our data, assignee counts were 35 in 2024 and 35 in 2025 (similar year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Hebei Qinhuai Data Co Ltd holds 77 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Electricity	64
Mechanical Engineering	17
Operations & Transport	11
Cross-Sectional Technologies	5
Physics	3
Fixed Constructions	2
Human Necessities	2
Chemistry & Metallurgy	1

Answers are generated from the same data shown on this page.

How many patents does Hebei Qinhuai Data Co Ltd have in patentsdb?: Hebei Qinhuai Data Co Ltd is linked to 77 publications as assignee in our database.
What technology areas does Hebei Qinhuai Data Co Ltd patent most?: Top mapped technology areas by patent count: Electricity (64); Mechanical Engineering (17); Operations & Transport (11).
Is Hebei Qinhuai Data Co Ltd's patent activity growing?: In our data, assignee counts were 35 in 2024 and 35 in 2025 (similar year over year).
What are recent patents assigned to Hebei Qinhuai Data Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.